Inventor · disambiguated record
Ronald Buford Sheppard
Also filed as: SHEPPARD RONALD B · SHEPPARD RONALD BUFORD
27 granted patents·5 pending applications·127 citations·filing 2001–2022
94Inventor score
Top patents by PatentIndex Score
32 records- 0197US11447576B2Cellulose ester compositions derived from recycled plastic content syngasEASTMAN CHEM CO·Filed 2020·Granted Sep 20, 2022·12 cites·17 claims
- 0296US7074954B2Process for the oxidative purification of terephthalic acidEASTMAN CHEM CO·Filed 2003·Granted Jul 11, 2006·58 cites·20 claims
- 0384US7714094B2Simplified isophthalic acid process for modifying PETEASTMAN CHEM CO·Filed 2007·Granted May 11, 2010·5 cites·34 claims
- 0484US7355068B2Oxidation system with internal secondary reactorEASTMAN CHEM CO·Filed 2006·Granted Apr 8, 2008·6 cites·30 claims
- 0584US7196215B2Process for the production of purified terephthalic acidEASTMAN CHEM CO·Filed 2002·Granted Mar 27, 2007·15 cites·18 claims
- 0680US7816556B2Polycarboxylic acid production system employing enhanced multistage oxidative digestionEASTMAN CHEM CO·Filed 2006·Granted Oct 19, 2010·4 cites·36 claims
- 0779US7485747B2Two stage oxidation process for the production of aromatic dicarboxylic acidsEASTMAN CHEM CO·Filed 2002·Granted Feb 3, 2009·10 cites·15 claims
- 0877US2022411538A1Cellulose ester compositions derived from recycled plastic content syngasEASTMAN CHEM CO·Filed 2022·Application pending·0 cites
- 0972US6380352B1Polyester precursor purification processEASTMAN CHEM CO·Filed 2001·Granted Apr 30, 2002·10 cites·11 claims
- 1068US7358392B2Process for the oxidative purification of terephthalic acidEASTMAN CHEM CO·Filed 2006·Granted Apr 15, 2008·1 cites·18 claims
- 1167US7420082B2Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestionEASTMAN CHEM CO·Filed 2006·Granted Sep 2, 2008·1 cites·50 claims
- 1264US7566802B2Process for energy recovery and water removal in the preparation of aromatic carboxylic acidsEASTMAN CHEM CO·Filed 2006·Granted Jul 28, 2009·1 cites·56 claims
- 1363US7557243B2Enriched terephthalic acid compositionEASTMAN CHEM CO·Filed 2006·Granted Jul 7, 2009·2 cites·62 claims
- 1459US7161027B2Process for the oxidative purification of terephthalic acidEASTMAN CHEM CO·Filed 2003·Granted Jan 9, 2007·2 cites·14 claims
- 1558US7491369B2Oxidation system with internal secondary reactorEASTMAN CHEM CO·Filed 2007·Granted Feb 17, 2009·0 cites·20 claims
- 1658US2010113735A1Integrated Co-Production of Dicarboxylic AcidsEASTMAN CHEM CO·Filed 2009·Application pending·0 cites
- 1757US8236921B1Integrated co-production of dicarboxylic acidsFOGLE III RAYMOND ELBERT·Filed 2012·Granted Aug 7, 2012·0 cites·12 claims
- 1853US8053597B2Enriched terephthalic acid compositionGRUPO PETROTEMEX SA DE CV·Filed 2009·Granted Nov 8, 2011·0 cites·13 claims
- 1953US7884233B2Enriched terephthalic acid compositionEASTMAN CHEM CO·Filed 2009·Granted Feb 8, 2011·0 cites·20 claims
- 2053US2022289868A1Cellulose ester compositions derived from recycled cellulose ester content syngasEASTMAN CHEM CO·Filed 2020·Application pending·0 cites
- 2151US9505692B2Dicarboxylic acid production with self-fuel oxidative destructionFOGLE III RAYMOND ELBERT·Filed 2009·Granted Nov 29, 2016·0 cites·31 claims
- 2251US9493387B2Dicarboxylic acid production with minimal wastewater generationFOGLE III RAYMOND ELBERT·Filed 2009·Granted Nov 15, 2016·0 cites·30 claims
- 2350US9493389B2Dicarboxylic acid production with enhanced energy recoveryFOGLE III RAYMOND ELBERT·Filed 2009·Granted Nov 15, 2016·0 cites·28 claims
- 2450US2021253943A1Downhole treatment compositions comprising cellulose ester based degradable diverting agents and methods of use in downhole formationsEASTMAN CHEM CO·Filed 2019·Application pending·0 cites
- 2549US9493388B2Dicarboxylic acid production with direct fired off-gas heatingFOGLE III RAYMOND ELBERT·Filed 2009·Granted Nov 15, 2016·0 cites·21 claims
- 2647US10465490B2Well treatment fiber delivery systemEASTMAN CHEM CO·Filed 2016·Granted Nov 5, 2019·0 cites·27 claims
- 2747US7358389B2Oxidation system employing internal structure for enhanced hydrodynamicsEASTMAN CHEM CO·Filed 2006·Granted Apr 15, 2008·0 cites·27 claims
- 2846US7326808B2Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge systemEASTMAN CHEM CO·Filed 2006·Granted Feb 5, 2008·0 cites·50 claims
- 2945US7772424B2Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestionEASTMAN CHEM CO·Filed 2006·Granted Aug 10, 2010·0 cites·40 claims
- 3045US7432395B2Enriched carboxylic acid compositionEASTMAN CHEM CO·Filed 2006·Granted Oct 7, 2008·0 cites·62 claims
- 3142US7501537B2Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchangeEASTMAN CHEM CO·Filed 2006·Granted Mar 10, 2009·0 cites·47 claims
- 3240US2005283022A1Filtrate preparation process for terephthalic acid filtrate treatmentSHEPPARD RONALD B·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →